JPH0812865A - Pbt resin molding material - Google Patents
Pbt resin molding materialInfo
- Publication number
- JPH0812865A JPH0812865A JP28681094A JP28681094A JPH0812865A JP H0812865 A JPH0812865 A JP H0812865A JP 28681094 A JP28681094 A JP 28681094A JP 28681094 A JP28681094 A JP 28681094A JP H0812865 A JPH0812865 A JP H0812865A
- Authority
- JP
- Japan
- Prior art keywords
- pbt resin
- molding material
- resin molding
- pbt
- modified polyolefin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、例えば、電気・電子部
品、自動車部品等に使用されるPBT樹脂成形材料に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a PBT resin molding material used for, for example, electric / electronic parts, automobile parts and the like.
【0002】[0002]
【従来の技術】PBT樹脂は、ポリブチレンテレフタレ
ート樹脂であり、このプラスチックは、エステル基を分
子内に持つ芳香族ポリエステルの一種で、結晶性熱可塑
性エンジニアリングプラスチックである。PBT樹脂成
形材料は、耐熱性、耐薬品性、電気特性、機械的特性等
の物性バランスが優れており、成形性が非常に良好であ
るため、電気・電子部品、自動車部品等の素材として広
く利用されている。2. Description of the Related Art PBT resin is a polybutylene terephthalate resin, and this plastic is a kind of aromatic polyester having an ester group in the molecule and is a crystalline thermoplastic engineering plastic. PBT resin molding material has a good balance of physical properties such as heat resistance, chemical resistance, electrical characteristics, and mechanical characteristics, and has extremely good moldability, so it is widely used as a material for electric / electronic parts, automobile parts, etc. It's being used.
【0003】PBT樹脂成形材料は、結晶性樹脂である
ため、ガラス繊維で強化すると、機械的強さ、剛性及び
荷重たわみ温度等が飛躍的に向上する。また、難燃化
が、容易で、優れた難燃グレードが、供給されている。
ところが、ガラス繊維強化のPBT樹脂成形材料は、衝
撃強度及び耐トラッキング性が悪いという欠点があっ
た。Since the PBT resin molding material is a crystalline resin, when it is reinforced with glass fiber, mechanical strength, rigidity, deflection temperature under load, etc. are dramatically improved. In addition, flame retardation is easy, and an excellent flame retardant grade is supplied.
However, the glass fiber reinforced PBT resin molding material has a drawback that impact strength and tracking resistance are poor.
【0004】[0004]
【発明が解決しようとする課題】本発明は上記の欠点を
解消するためになされたもので、その目的とするところ
は、耐熱性を維持しながら、衝撃強度及び耐トラッキン
グ性に優れたガラス繊維強化のPBT樹脂成形材料を提
供することにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to maintain a heat resistance and a glass fiber excellent in impact strength and tracking resistance. It is to provide a reinforced PBT resin molding material.
【0005】[0005]
【課題を解決するための手段】本発明の請求項1に係る
PBT樹脂成形材料は、PBT樹脂及び、シラノール
基、カルボキシル基又はエポキシ基を有する変性ポリオ
レフィン及びガラス繊維を含有したことを特徴とする。A PBT resin molding material according to claim 1 of the present invention is characterized by containing a PBT resin, a modified polyolefin having a silanol group, a carboxyl group or an epoxy group, and a glass fiber. .
【0006】本発明の請求項2に係るPBT樹脂成形材
料は、PBT樹脂100重量部に対して変性ポリオレフ
ィン5〜100重量部を含有したことを特徴とする。The PBT resin molding material according to claim 2 of the present invention is characterized in that it contains 5 to 100 parts by weight of the modified polyolefin with respect to 100 parts by weight of the PBT resin.
【0007】本発明の請求項3に係るPBT樹脂成形材
料は、上記変性ポリオレフィンがシラノール基を有する
変性ポリプロピレンであることを特徴とする。The PBT resin molding material according to claim 3 of the present invention is characterized in that the modified polyolefin is a modified polypropylene having a silanol group.
【0008】本発明の請求項4に係るPBT樹脂成形材
料は、相溶化剤をPBT樹脂成形材料の全量に対して1
〜10重量%含有したことを特徴とする。In the PBT resin molding material according to the fourth aspect of the present invention, the compatibilizing agent is 1 relative to the total amount of the PBT resin molding material.
It is characterized by containing 10 to 10% by weight.
【0009】本発明の請求項5に係るPBT樹脂成形材
料は、上記相溶化剤が無水マレイン酸変性低分子ポリプ
ロピレンであることを特徴とする。The PBT resin molding material according to a fifth aspect of the present invention is characterized in that the compatibilizing agent is maleic anhydride-modified low-molecular polypropylene.
【0010】本発明の請求項6に係るPBT樹脂成形材
料は、難燃剤をも含有したことを特徴とする。The PBT resin molding material according to claim 6 of the present invention is characterized in that it also contains a flame retardant.
【0011】本発明の請求項7に係るPBT樹脂成形材
料は、上記難燃剤が三酸化アンチモン及びテトラブロム
ビスフェノールAタイプエポキシ樹脂であることを特徴
とする。The PBT resin molding material according to claim 7 of the present invention is characterized in that the flame retardant is antimony trioxide and tetrabromobisphenol A type epoxy resin.
【0012】本発明の請求項8に係るPBT樹脂成形材
料は、上記難燃剤が三酸化アンチモン及び臭素化トリア
ジン化合物であることを特徴とする。The PBT resin molding material according to claim 8 of the present invention is characterized in that the flame retardant is an antimony trioxide and a brominated triazine compound.
【0013】以下、本発明を詳述する。本発明に用いる
ポリブチレンテレフタレート樹脂(以下PBT樹脂と記
す)は、テレフタル酸(TPA)、あるいは、テレフタ
ル酸ジメチル(DMT)と1,4−ブチレングリコール
(1,4−BG)とから製造される。The present invention will be described in detail below. The polybutylene terephthalate resin (hereinafter referred to as PBT resin) used in the present invention is produced from terephthalic acid (TPA) or dimethyl terephthalate (DMT) and 1,4-butylene glycol (1,4-BG). .
【0014】PBT樹脂成形材料は、原材料として、P
BT樹脂に、ワックス等の離型剤、必要に応じてタル
ク、マイカ等の充填剤、機械的強さ、剛性及び荷重たわ
み温度等を上げるため、ガラス繊維等の補強材等を添加
して使用する。PBT resin molding material is
Release agent such as wax, filler such as talc and mica, if necessary, and reinforcing material such as glass fiber are added to BT resin to increase mechanical strength, rigidity and deflection temperature under load. To do.
【0015】PBT樹脂成形材料は、上記原材料を二軸
押出機等により、シリンダー温度240〜260℃程度
で混練押出を行い、紐状のストランドにして、冷却後、
ペレタイザーでペレットにすることにより、得られる。
ところが、ガラス繊維強化のPBT樹脂成形材料は、耐
トラッキング性が悪い。そこで、ガラス繊維強化のPB
T樹脂成形材料の耐トラッキング性を向上させるため
に、シラノール基、カルボキシル基又はエポキシ基を有
する変性PP(ポリプロピレン)等の反応性官能基を有
する変性ポリオレフィンとPBT樹脂とのポリマーアロ
イを行う。PBT樹脂100重量部に対してこの変性ポ
リオレフィン5〜100重量部を含有してポリマーアロ
イを行う。これにより、DIN KA法(DIN534
80)に基づく耐トラッキング性は、従来のガラス繊維
強化のPBT樹脂成形材料が2〜10滴であるのに対し
て変性ポリオレフィンとPBT樹脂とのポリマーアロイ
品では、101滴以上となり著しく、耐トラッキング性
が改善される。For the PBT resin molding material, the above raw materials are kneaded and extruded by a twin-screw extruder or the like at a cylinder temperature of about 240 to 260 ° C. to form a string-like strand, and after cooling,
Obtained by pelletizing with a pelletizer.
However, the glass fiber reinforced PBT resin molding material has poor tracking resistance. Therefore, glass fiber reinforced PB
In order to improve the tracking resistance of the T resin molding material, a polymer alloy of a modified polyolefin having a reactive functional group such as a modified PP (polypropylene) having a silanol group, a carboxyl group or an epoxy group and a PBT resin is performed. Polymer alloying is carried out by adding 5 to 100 parts by weight of the modified polyolefin to 100 parts by weight of PBT resin. As a result, the DIN KA method (DIN 534
The tracking resistance based on 80) is 2 to 10 drops in the conventional glass fiber reinforced PBT resin molding material, whereas it is 101 drops or more in the polymer alloy product of the modified polyolefin and the PBT resin, which is remarkable. Sex is improved.
【0016】また、アイゾット衝撃強さ(ノッチ付き)
(ASTM D256)についても従来のガラス繊維強
化のPBT樹脂成形材料が6〜7kgf・cm/cmで
あるのに対して変性ポリオレフィンとPBT樹脂とのポ
リマーアロイ品では、8〜10kgf・cm/cmとな
り、アイゾット衝撃強さが改善される。Izod impact strength (notched)
Regarding (ASTM D256), the conventional glass fiber reinforced PBT resin molding material has a viscosity of 6 to 7 kgf · cm / cm, whereas the polymer alloy product of the modified polyolefin and PBT resin has a viscosity of 8 to 10 kgf · cm / cm. , Izod impact strength is improved.
【0017】なお、PBT樹脂100重量部に対して変
性ポリオレフィン10〜30重量部を含有してポリマー
アロイを行うのがさらに好ましい。その理由は、耐熱性
と機械特性と耐トラッキング性とのバランスが良いから
である。It is more preferable that the polymer alloy is prepared by adding 10 to 30 parts by weight of modified polyolefin to 100 parts by weight of PBT resin. The reason is that there is a good balance between heat resistance, mechanical properties and tracking resistance.
【0018】さらに、無水マレイン酸変性低分子ポリプ
ロピレン等の相溶化剤をPBT樹脂成形材料の全量に対
して1〜10重量%含有することにより、従来のガラス
繊維強化のPBT樹脂成形材料が6〜7kgf・cm/
cmであるのに対して変性ポリオレフィンとPBT樹脂
とのポリマーアロイ品では、12kgf・cm/cm程
度となり、アイゾット衝撃強さがさらに改善される。Furthermore, by containing a compatibilizing agent such as maleic anhydride-modified low molecular weight polypropylene in an amount of 1 to 10% by weight based on the total amount of the PBT resin molding material, the conventional glass fiber reinforced PBT resin molding material is 6 7 kgf · cm /
Whereas in the case of the polymer alloy product of modified polyolefin and PBT resin, it is about 12 kgf · cm / cm, and the Izod impact strength is further improved.
【0019】また、難燃性を付与するため、三酸化アン
チモンとテトラブロムビスフェノールAタイプエポキシ
とを併用した難燃剤、又は三酸化アンチモンと、例え
ば、下記の一般式で表される臭素化トリアジン化合物
とを併用した難燃剤を、PBT樹脂成形材料の原材料と
して添加して使用する。Further, in order to impart flame retardancy, a flame retardant which is a combination of antimony trioxide and tetrabromobisphenol A type epoxy, or antimony trioxide and, for example, a brominated triazine compound represented by the following general formula: A flame retardant which is used in combination with and is used as a raw material of a PBT resin molding material.
【0020】[0020]
【化1】 Embedded image
【0021】[0021]
【実施例】以下、本発明を実施例によって具体的に説明
する。EXAMPLES The present invention will be specifically described below with reference to examples.
【0022】PBT樹脂と、変性PPと、ガラス繊維
と、相溶化剤と、難燃剤とを表1に示した配合でPBT
樹脂成形材料の原材料とした。ここで、変性PPとして
は、シラノール基変性PP(宇部興産〔株〕製)、相溶
化剤として、無水マレイン酸変性低分子PP(三洋化成
工業〔株〕商品名:ユーメックス1001)、難燃剤と
して、実施例3及び比較例3については、三酸化アンチ
モンとテトラブロムビスフェノールAタイプエポキシ樹
脂とを1対1の重量部で使用した難燃剤1を用い、PB
T樹脂成形材料の全量に対して難燃剤1を15重量%含
有するようにし、実施例5については、三酸化アンチモ
ンと臭素化トリアジン化合物(第一工業製薬〔株〕商品
名:ピロガードSR−245)とを1対2の重量部で使
用した難燃剤2を用い、PBT樹脂成形材料の全量に対
して難燃剤2を20重量%含有するようにした。PBT resin, modified PP, glass fiber, compatibilizer, and flame retardant were used in the composition shown in Table 1 to prepare PBT.
Used as the raw material for resin molding materials. Here, as the modified PP, silanol group-modified PP (manufactured by Ube Industries Ltd.), as a compatibilizer, maleic anhydride modified low-molecular PP (Sanyo Kasei Co., Ltd., trade name: Umex 1001), as a flame retardant For Example 3 and Comparative Example 3, flame retardant 1 containing antimony trioxide and tetrabromobisphenol A type epoxy resin in a weight ratio of 1: 1 was used.
The flame retardant 1 was contained in an amount of 15% by weight based on the total amount of the T resin molding material, and in Example 5, antimony trioxide and a brominated triazine compound (Daiichi Kogyo Seiyaku Co., Ltd., trade name: Pyroguard SR-245) were used. The flame retardant 2 was used in an amount of 1 to 2 by weight, and 20 wt% of the flame retardant 2 was contained with respect to the total amount of the PBT resin molding material.
【0023】ガラス繊維は、繊維長3mmのガラス繊維
用いた。PBT樹脂成形材料は、表1に示した配合でガ
ラス繊維を除きコーンブレンダーを用いて10分間混合
した後、上記原材料を二軸押出機に供給し、ガラス繊維
は、PBT樹脂成形材料の全量に対して20重量%にな
るようにサイドフィードにより供給し、シリンダー温度
240〜260℃で混練押出を行い、紐状のストランド
にして、冷却後、ペレタイザーでペレットにすることに
より、PBT樹脂成形材料を得た。As the glass fiber, a glass fiber having a fiber length of 3 mm was used. The PBT resin molding material was prepared by removing the glass fibers in the composition shown in Table 1 and mixing them for 10 minutes using a corn blender. Then, the above raw materials were supplied to a twin-screw extruder, and the glass fibers were added to the total amount of the PBT resin molding material. The content of the PBT resin molding material was 20% by weight to the side feed, kneaded and extruded at a cylinder temperature of 240 to 260 ° C., formed into a string-like strand, cooled, and pelletized with a pelletizer. Obtained.
【0024】なお、比較例2で用いたPP(ポリプロピ
レン)は、一般のPP(ポリプロピレン)を用い、一般
PPと記した。The PP (polypropylene) used in Comparative Example 2 was ordinary PP (polypropylene), and was referred to as ordinary PP.
【0025】[0025]
【表1】 [Table 1]
【0026】上記実施例及び比較例で得たPBT樹脂成
形材料の耐トラッキング性については、DIN KA法
(DIN53480)、アイゾット衝撃強さについて
は、ASTM D256、耐熱性の評価尺度である熱変
形温度については、ASTMD648、難燃性について
は、UL規格のUL94(高分子材料の難燃性試験)に
準じてテストピースを作製し測定した。その結果を表1
に示した。Tracking resistance of the PBT resin molding materials obtained in the above Examples and Comparative Examples is DIN KA method (DIN 53480), Izod impact strength is ASTM D256, and heat distortion temperature which is a heat resistance evaluation scale. For, the test piece was prepared and measured in accordance with ASTM D648 and flame retardancy according to UL standard UL94 (flame retardancy test for polymer materials). The results are shown in Table 1.
It was shown to.
【0027】難燃性については、UL94V−0が最も
優れ、次いで、UL94V−2が優れ、UL94HBが
これらの中では、最も劣る。表1の結果、本発明の実施
例1〜実施例5では、耐熱性を維持しながら、比較例1
〜比較例3に比べて耐トラッキング及びアイゾット衝撃
強さが大きく優れていることが確認できた。特に、難燃
剤が三酸化アンチモン及び臭素化トリアジン化合物であ
る実施例5については、難燃性がさらに向上した。Regarding flame retardancy, UL94V-0 is the most excellent, followed by UL94V-2, and UL94HB is the most inferior among them. As a result of Table 1, in Examples 1 to 5 of the present invention, Comparative Example 1 while maintaining heat resistance
It was confirmed that the anti-tracking property and the Izod impact strength were significantly superior to those of Comparative Example 3. Particularly, in Example 5, in which the flame retardant was an antimony trioxide and a brominated triazine compound, the flame retardancy was further improved.
【0028】[0028]
【発明の効果】本発明の請求項1〜請求項3に係るPB
T樹脂成形材料は、PBT樹脂とシラノール基、カルボ
キシル基又はエポキシ基を有する変性ポリオレフィン及
びガラス繊維とを含有しているため、耐熱性を維持しな
がら、衝撃強度及び耐トラッキング性に優れている。The PB according to claims 1 to 3 of the present invention
Since the T resin molding material contains a PBT resin and a modified polyolefin having a silanol group, a carboxyl group or an epoxy group, and glass fiber, it has excellent impact strength and tracking resistance while maintaining heat resistance.
【0029】本発明の請求項4及び請求項5に係るPB
T樹脂成形材料は、無水マレイン酸変性低分子ポリプロ
ピレン等の相溶化剤をPBT樹脂成形材料の全量に対し
て1〜10重量%含有しているため、さらに衝撃強度が
向上する。PB according to claims 4 and 5 of the present invention
Since the T resin molding material contains a compatibilizer such as maleic anhydride-modified low molecular weight polypropylene in an amount of 1 to 10% by weight based on the total amount of the PBT resin molding material, the impact strength is further improved.
【0030】本発明の請求項6〜請求項8に係るPBT
樹脂成形材料は、三酸化アンチモンとテトラブロムビス
フェノールAタイプエポキシとを併用した難燃剤、又は
三酸化アンチモンと臭素化トリアジン化合物とを併用し
た難燃剤を含有しているため、難燃性が向上する。The PBT according to claim 6 to claim 8 of the present invention
Since the resin molding material contains a flame retardant in which antimony trioxide and tetrabromobisphenol A type epoxy are used in combination, or a flame retardant in which antimony trioxide and a brominated triazine compound are used in combination, flame retardancy is improved. .
Claims (8)
キシル基又はエポキシ基を有する変性ポリオレフィン及
びガラス繊維を含有したことを特徴とするPBT樹脂成
形材料。1. A PBT resin molding material comprising a PBT resin, a modified polyolefin having a silanol group, a carboxyl group or an epoxy group, and a glass fiber.
リオレフィン5〜100重量部を含有したことを特徴と
する請求項1記載のPBT樹脂成形材料。2. The PBT resin molding material according to claim 1, which contains 5 to 100 parts by weight of the modified polyolefin with respect to 100 parts by weight of the PBT resin.
を有する変性ポリプロピレンであることを特徴とする請
求項1又は請求項2記載のPBT樹脂成形材料。3. The PBT resin molding material according to claim 1 or 2, wherein the modified polyolefin is a modified polypropylene having a silanol group.
対して1〜10重量%含有したことを特徴とする請求項
1乃至請求項3何れか記載のPBT樹脂成形材料。4. The PBT resin molding material according to claim 1, wherein the compatibilizing agent is contained in an amount of 1 to 10% by weight based on the total amount of the PBT resin molding material.
子ポリプロピレンであることを特徴とする請求項4記載
のPBT樹脂成形材料。5. The PBT resin molding material according to claim 4, wherein the compatibilizing agent is maleic anhydride-modified low-molecular polypropylene.
求項1乃至請求項5何れか記載のPBT樹脂成形材料。6. The PBT resin molding material according to claim 1, which also contains a flame retardant.
ラブロムビスフェノールAタイプエポキシ樹脂であるこ
とを特徴とする請求項6記載のPBT樹脂成形材料。7. The PBT resin molding material according to claim 6, wherein the flame retardant is antimony trioxide and tetrabromobisphenol A type epoxy resin.
化トリアジン化合物であることを特徴とする請求項6記
載のPBT樹脂成形材料。8. The PBT resin molding material according to claim 6, wherein the flame retardant is an antimony trioxide and a brominated triazine compound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28681094A JP3235378B2 (en) | 1994-02-28 | 1994-11-21 | PBT resin molding material |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6-90298 | 1994-02-28 | ||
JP3046194 | 1994-02-28 | ||
JP6-30461 | 1994-02-28 | ||
JP9029894 | 1994-04-27 | ||
JP28681094A JP3235378B2 (en) | 1994-02-28 | 1994-11-21 | PBT resin molding material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0812865A true JPH0812865A (en) | 1996-01-16 |
JP3235378B2 JP3235378B2 (en) | 2001-12-04 |
Family
ID=27286969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28681094A Expired - Fee Related JP3235378B2 (en) | 1994-02-28 | 1994-11-21 | PBT resin molding material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3235378B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100364218B1 (en) * | 1997-11-27 | 2003-02-19 | 제일모직주식회사 | Improved polybutylene terephthalate resin composition |
CN100457816C (en) * | 2006-08-03 | 2009-02-04 | 上海交通大学 | Prepn of composite polyethylene/glass material |
WO2010125611A1 (en) * | 2009-05-01 | 2010-11-04 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Flame retardant composition forflammable plastic materials comprising2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine and processfor producing the same |
CN106751593A (en) * | 2017-01-18 | 2017-05-31 | 东莞市票友机电科技有限公司 | Binder motor mount PBT engineering plastics and motor mount |
-
1994
- 1994-11-21 JP JP28681094A patent/JP3235378B2/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100364218B1 (en) * | 1997-11-27 | 2003-02-19 | 제일모직주식회사 | Improved polybutylene terephthalate resin composition |
CN100457816C (en) * | 2006-08-03 | 2009-02-04 | 上海交通大学 | Prepn of composite polyethylene/glass material |
WO2010125611A1 (en) * | 2009-05-01 | 2010-11-04 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Flame retardant composition forflammable plastic materials comprising2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine and processfor producing the same |
JP2012520371A (en) * | 2009-05-01 | 2012-09-06 | 第一工業製薬株式会社 | Flame retardant for flammable plastic material containing 2,4,6-tris (2,4,6-tribromophenoxy) -1,3,5-triazine and process for producing the same |
CN106751593A (en) * | 2017-01-18 | 2017-05-31 | 东莞市票友机电科技有限公司 | Binder motor mount PBT engineering plastics and motor mount |
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